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Odyssey Theater

Venue

Perigueux (24)

Tasks

Acoustic renovation mission, Development of tailor-made solutions

Owner

City hall

Ability

1,000 pl.

Amount of work

€4,500,000 (excl. VAT)

Architect

Phillipe Grandou and ACORA

Year

Delivered in 1992

The village hall of Périgueux, in the shape of a flattened cylinder, did not meet the constraints of theatrical performances, nor those of quality concerts. This major renovation therefore consisted in destroying part of the building to add a large cube intended to house the stage and the equipment. The Odyssey theater can now accommodate 1,000 people.

Methodology

Tisseyre + Associés has 40 years of experience in the acoustics of performance halls, its core business originally. 30 years ago, anticipating the digital revolution and 3D visualization, we developed a tool for 3D models of performance halls: Hall Acoustics®. Instead of using the sound ray shooting technique which does not take into account the architectural details, we use the finite element mesh technique which allows these details to be modeled with finesse in order to fully integrate them into the acoustic performance. of the room from its conception. Based on the observation that the acoustics of a performance hall are structuring for its architecture, we have developed a joint working methodology with the architect.

Tasks

Acoustic renovation mission: all acoustic reflective

Thanks to our 3D model tool, Hall Acoustics®, we can collaborate from the design phase with the architect in order to integrate the acoustic performance of the room into the architecture. Our work therefore does not focus on the dimensioning of a posteriori solutions of acoustic absorbers to attenuate the effects of reverberations. We work with the architect on the choice of shapes and materials used in order to optimize the reverberations so that they contribute to the acoustic performance of the room, which can be summarized as:

  • Sound strength, clarity and definition. The sound should be loud, clear and precise.
  • The sound envelopment of all spectators. The people in the room feel like they are part of the show: the sound envelops them.

Development of tailor-made acoustic solutions

The integration of acoustic performance in the performance hall has led us to offer tailor-made solutions for the Odyssée theatre. In particular, we designed, jointly with the architect, the ceiling of the room. Their shapes have been studied and dimensioned so that the reflection of the sound waves are reoriented in the precise directions and thus participate in the optimal acoustic response of the room. On the other hand, with regard to the insulation with the outside of the room, we designed, ordered and then had approved a specific material which did not exist until then.

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